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Brooklyn/tools/testing/selftests/rseq/rseq-x86-thread-pointer.h
crowetic a94b3d14aa Brooklyn+ (PLUS) changes
Changes included (and more):

1. Dynamic RAM merge

2. Real-time page scan and allocation

3. Cache compression

4. Real-time IRQ checks

5. Dynamic I/O allocation for Java heap

6. Java page migration

7. Contiguous memory allocation

8. Idle pages tracking

9. Per CPU RAM usage tracking

10. ARM NEON scalar multiplication library

11. NEON/ARMv8 crypto extensions

12. NEON SHA, Blake, RIPEMD crypto extensions

13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
2022-05-12 10:47:00 -07:00

41 lines
687 B
C

/* SPDX-License-Identifier: LGPL-2.1-only OR MIT */
/*
* rseq-x86-thread-pointer.h
*
* (C) Copyright 2021 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
#ifndef _RSEQ_X86_THREAD_POINTER
#define _RSEQ_X86_THREAD_POINTER
#include <features.h>
#ifdef __cplusplus
extern "C" {
#endif
#if __GNUC_PREREQ (11, 1)
static inline void *rseq_thread_pointer(void)
{
return __builtin_thread_pointer();
}
#else
static inline void *rseq_thread_pointer(void)
{
void *__result;
# ifdef __x86_64__
__asm__ ("mov %%fs:0, %0" : "=r" (__result));
# else
__asm__ ("mov %%gs:0, %0" : "=r" (__result));
# endif
return __result;
}
#endif /* !GCC 11 */
#ifdef __cplusplus
}
#endif
#endif